/Engine/Source/Runtime/Engine/Classes/Animation/AnimCompositeBase.h
This is recursive function that look thorough internal assets and clear the reference if recursive is found. We're going to remove the top reference if found
virtual bool ContainRecursive ( [TArray](API\Runtime\Core\Containers\TArray)< [UAnimCompositeBase](API\Runtime\Engine\Animation\UAnimCompositeBase) * > & CurrentAccumulatedList )